Ratios
Proportions
Unit Rates
Scale
Grab Bag
100
Ms. Marcot has 10 shirts and 6 skirts. What is the ratio of shirts to skirts, in simplest form?
What is 5:3
100
Are the following proportional: 2/4 = 8/16
Yes
100
What is the unit price for the following: $3 for 6 cans of soda
0.50
100
An architect is drawing a scale model. He uses the scale of 1cm = 3 feet. If he draws a length that is 4 cm, how long is the actual length?
12 feet.
100
Mr. Jones has 15 shirts and 10 ties. What is the ratio of shirts to ties, in simplest form?
3/2
200
There are 40 boys and 35 girls in the cafeteria. What is the ratio of boys to girls, in simplest form?
What is 8:7
200
Are the following proportional: 3/12 = 12/46
No
200
If Mr. Anderson ran 3 miles in 24 minutes, how miles per minute did he run?
What is 0.125 miles/minute
200
Jasmine is drawing a scale model of the classroom. She uses the scale 0.5 cm = 20 inches. The actual length of the room is 200 inches. What should the length of Jasmine's drawing be?
5 cm
200
Alexis earned $700 for 40 hours of work. How much did she earn for one hour of work?
$17.50
300
There are 4 red marbles and 9 purple marbles in a bag. What is the ratio of purple marbles to red marbles, in simplest form?
What is 9:4
300
Solve the following proportion: 2/x = 20/40
4
300
If a baby cow can gain 50 pounds in its first 10 days, what is the unit rate of its weight gain?
What is 5 pounds/day
300
A scale drawing of a basketball court has the scale 2 inches = 7 feet. If the width of the court is drawn to be 16 inches. How long is the actual width of the court?
56 feet.
300
Solve the following proportion: n/6 = 72/48
9
400
There are 7 blue shirts and 28 red shirts in a drawer. What is the ratio of red shirts to blue shirts, in simplest form?
What is 4:1
400
Solve the following proportion: m/6 = 24/36
4
400
Which of the following has a lower unit cost: 20 ounces of jellybeans for $4.00 OR 15 ounces of jellybeans for $2.50?
15 ounces for $2.50
400
Coach Janay is drawing a scale model of the volleyball court. The actual dimensions of the volleyball court are 40 feet by 60 feet. Coach Janay's scale model is 4 inches by 6 inches. What is the scale that she is using?
10 feet = 1 inch
400
At CVS, I can buy 4 bottles of soda for $5. What is the unit cost?
$1.25
500
Define ratio
A comparison of 2 numbers by division
500
Solve the following proportion: 200/40 = 10/x
2
500
Which of the following has a lower unit cost: 4 boxes of chocolate for $3.50 OR 10 boxes of chocolate for $8.50?
10 boxes of chocolate for $8.50
500
A map has a scale of 2 cm = 15 kilometers. If the distance between two cities on the map is 11 cm, what is the actual distance between the cities?
82.5 kilometers
500
At CVS, I can buy 3 boxes of cookies for $7. At Giant, I can buy 4 boxes of cookies for $8. Which store has the lower unit cost?
Giant cookies has the lower unit cost. (CVS - $2.33. Giant - $2)